Question: What is the earth's angular speed? Express your answer in radians per second. [ 9 : 2 8 PM ] Viewed from a point above

What is the earth's angular speed? Express your answer in radians per second.
[9:28 PM]
Viewed from a point above the north pole, is the angular velocity positive or negative?
[9:28 PM]
What is the speed of a point on the equator? Express your answer with the appropriate units.
[9:28 PM]
What is the speed of a point on the earth's surface located at 2/3 of the length of the arc between the equator and the pole, measured from equator? (Hint: what is the radius of the circle in which the point moves?) Express your answer with the appropriate units.

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